• Eric H Tischler, Camilo Restrepo, Jennifer Oh, Christopher N Matthews, Antonia F Chen, and Javad Parvizi.
• The Rothman Institute at Thomas Jefferson University, Philadelphia, Pennsylvania.
• J Arthroplasty. 2016 Feb 1; 31 (2): 480-3.

BackgroundPostoperative urinary retention (POUR) is a relatively common complication after total joint arthroplasty (TJA). Based on the findings of a randomized, prospective study from our institution, we abandoned the routine use of indwelling urinary catheters in patients undergoing elective TJA using opioid-free spinal anesthesia. The aim of this study was to determine the incidence of and the risk factors for POUR in this patient population.Patients And MethodsA total of 842 consecutive patients underwent TJA between January 2012 and September 2014 using opioid-free spinal anesthesia in whom indwelling urinary catheters were not used. Postoperative urinary retention was defined as the inability of a patient to void that necessitated the placement of either an indwelling urinary catheter or straight catheterization. Multivariate logistic regression analysis was used to determine risk factors for developing POUR.ResultsIn this cohort, 79 patients (79/842; 9.3%) developed POUR. Independent risk factors for POUR were history of a benign prostatic hyperplasia (P = .02), renal disease (P = .001), longer operative time (P = .003), and age older than 67 years (P = .02). No patients in this cohort developed neurogenic bladder.ConclusionThis study confirms that the routine use of indwelling urinary catheters for patients undergoing TJA using an opioid-free spinal anesthesia may not be warranted. Urinary catheters may be used selectively in patients at risk for subsequent urinary retention.Copyright © 2016 Elsevier Inc. All rights reserved.

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